/* Bar Chart Page Styles */

#page-barchart .container {
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem;
}

#page-barchart h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

#page-barchart .subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.barchart-input-section {
  background: var(--card-bg);
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  margin-bottom: 2rem;
}

.input-group {
  margin-bottom: 1.5rem;
}

.input-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.input-group input[type="text"],
.input-group input[type="number"] {
  width: 100%;
  padding: 0.875rem;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  font-size: 1rem;
  background: var(--bg-primary);
  color: var(--text-primary);
  transition: all 0.3s ease;
}

.input-group input[type="text"]:focus,
.input-group input[type="number"]:focus {
  outline: none;
  border-color: var(--accent-color);
}

.input-group input[type="color"] {
  width: 100px;
  height: 50px;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  cursor: pointer;
  background: var(--bg-primary);
}

.input-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.data-input-section {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 2px solid var(--border-color);
}

.data-input-section h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

#dataInputs {
  margin-bottom: 1rem;
}

.data-row {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  align-items: center;
}

.data-row input {
  padding: 0.875rem;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  font-size: 1rem;
  background: var(--bg-primary);
  color: var(--text-primary);
  transition: all 0.3s ease;
}

.data-row input:focus {
  outline: none;
  border-color: var(--accent-color);
}

.remove-data-btn {
  background: #dc3545;
  color: white;
  border: none;
  border-radius: 6px;
  padding: 0.75rem 1rem;
  cursor: pointer;
  font-size: 1.2rem;
  transition: background 0.2s ease;
  font-weight: bold;
}

.remove-data-btn:hover {
  background: #c82333;
}

.add-data-btn {
  background: var(--accent-color, #28a745);
  color: white;
  border: none;
  border-radius: 8px;
  padding: 0.75rem 1.5rem;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  transition: background 0.2s ease;
  width: 100%;
}

.add-data-btn:hover {
  background: #218838;
  transform: translateY(-2px);
}

.generate-chart-btn {
  background: linear-gradient(135deg, #b52605 0%, #8b1e04 100%);
  color: white;
  border: none;
  border-radius: 10px;
  padding: 1rem 2rem;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  width: 100%;
  margin-top: 1.5rem;
  transition: box-shadow 0.2s ease;
  box-shadow: 0 4px 15px rgba(181, 38, 5, 0.3);
}

.generate-chart-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(181, 38, 5, 0.4);
}

.generate-chart-btn:active {
  transform: translateY(0);
}

#chartResultArea {
  background: var(--card-bg);
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.chart-display {
  text-align: center;
}

#chartImage {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin-bottom: 1.5rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.chart-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.save-chart-btn,
.create-new-chart-btn {
  padding: 0.875rem 2rem;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: box-shadow 0.2s ease;
}

.save-chart-btn {
  background: linear-gradient(135deg, #28a745 0%, #1e7e34 100%);
  color: white;
  box-shadow: 0 4px 15px rgba(40, 167, 69, 0.3);
  transition: box-shadow 0.2s ease;
}

.save-chart-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(40, 167, 69, 0.4);
}

.create-new-chart-btn {
  background: var(--secondary-bg, #6c757d);
  color: white;
  box-shadow: 0 4px 15px rgba(108, 117, 125, 0.3);
  transition: background 0.2s ease, box-shadow 0.2s ease;
}

.create-new-chart-btn:hover {
  background: #5a6268;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(108, 117, 125, 0.4);
}

#chartLoading {
  text-align: center;
  padding: 3rem;
  background: var(--card-bg);
  border-radius: 12px;
}

.loading-spinner .spinner {
  width: 50px;
  height: 50px;
  margin: 0 auto 1rem;
  border: 4px solid var(--border-color, #f3f3f3);
  border-top: 4px solid var(--primary-color, #b52605);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

#chartLoading p {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  #page-barchart .container {
    padding: 1rem;
  }

  .input-row {
    grid-template-columns: 1fr;
  }

  .data-row {
    grid-template-columns: 1fr;
  }

  .data-row .remove-data-btn {
    width: 100%;
  }

  .chart-actions {
    flex-direction: column;
  }

  .save-chart-btn,
  .create-new-chart-btn {
    width: 100%;
  }
}